flight feather

1. In his mind, the white bird rose in flight and its wings let fly one feather.
   他的脑海里幻化出那只小白鸟，它振翅飞翔，一片羽毛从它的翅上抖落。
2. But not one of them, not even Fletcher Lynd Gull, had come to believe that the flight of ideas could possibly be as real as the flight of wind and feather.
   但他们当中，包括弗莱契在内，没有一个相信，用观念飞行可能同用风和羽毛飞行一样真实。

noun

1. any of the larger wing or tail feathers of a bird

   Synonym:    pinionquillquill feather